package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.constant.MessageConstant;
import com.itheima.dao.MemberDao;
import com.itheima.dao.OrderDao;
import com.itheima.dao.OrdersettingDao;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.pojo.Order;
import com.itheima.pojo.OrderSetting;
import com.itheima.service.OrderService;
import com.itheima.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;


import java.util.Date;
import java.util.List;
import java.util.Map;
@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService{
    @Autowired
    private OrdersettingDao ordersettingDao;
    @Autowired
    private MemberDao memberDao;
    @Autowired
    private OrderDao orderDao;
    @Override
    public Result order(Map map) throws Exception{
        String orderDate = (String) map.get("orderDate");
        Date date = DateUtils.parseString2Date(orderDate);
        OrderSetting orderSetting = ordersettingDao.findByOrderDate(date);
       ;if(orderSetting ==null){
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }
        int number = orderSetting.getNumber();
        int reservations = orderSetting.getReservations();
        if(reservations>=number){
            return new Result(false,MessageConstant.ORDER_FULL);
        }
        //检查是否是会员
        String telephone = (String) map.get("telephone");
        Member member = memberDao.findByTelephone(telephone);
        if(member != null){
            //如果是会员再通过查询预约库,判断是否是重复预约
            Integer memberId = member.getId();
            int setmealId = Integer.parseInt((String) map.get("setmealId"));
            Order order = new Order(memberId,date,null,null,setmealId);
            List<Order> list = orderDao.findByCondition(order);
            if(list != null && list.size() > 0){
                return new Result(false,MessageConstant.HAS_ORDERED);
            }
        }
        orderSetting.setReservations(orderSetting.getReservations()+1);
        ordersettingDao.editReservationsByOrderDate(orderSetting);
        //如果不是会员则自动注册会员
        if(member == null){
            member = new Member();
            member.setName((String) map.get("name"));
            member.setPhoneNumber(telephone);
            member.setIdCard((String) map.get("idCard"));
            member.setSex((String) map.get("sex"));
            member.setRegTime(new Date());
            memberDao.add(member);
        }
        Order order = new Order(member.getId(), date, (String)map.get("orderType"), Order.ORDERSTATUS_NO, Integer.parseInt((String) map.get("setmealId")));
        orderDao.add(order);
        return new Result(true,MessageConstant.ORDER_SUCCESS,order.getId());
    }

    @Override
    public Map findById(Integer id) throws Exception {
        Map map = orderDao.findById4Detail(id);
        if(map != null){
            //处理日期格式
            Date orderDate = (Date) map.get("orderDate");
            map.put("orderDate",DateUtils.parseDate2String(orderDate));

        }
        return map;
    }
}
